import type { AudioData, ProcessOptions, StreamProcessorOptions } from "../types.js";
export declare const DEFAULT_BLOCK_SIZE = 4096;
export declare function validateSampleRate(sampleRate: number): void;
export declare function validateChannelCount(channels: number): void;
export declare function validateAudioData(data: AudioData): number;
export declare function resolvePitch(options: {
    pitchScale?: number;
    pitchSemitones?: number;
}): number;
export declare function validateBlockSize(blockSize: number): void;
export declare function validateProcessOptions(options: ProcessOptions): {
    frames: number;
    timeRatio: number;
    pitchScale: number;
};
export declare function validateStreamOptions(options: StreamProcessorOptions): {
    timeRatio: number;
    pitchScale: number;
    maxBlockSize: number;
};
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